CN217664335U

CN217664335U - Convenient type valve grease injection device

Info

Publication number: CN217664335U
Application number: CN202221647898.8U
Authority: CN
Inventors: 蒋建中; 孙天礼; 陈勇; 张猛; 陈计; 廖东
Original assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Southwest Oil and Gas Co
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-28
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to a fat is annotated to the valve and the valve is maintained technical field, concretely relates to fat device is annotated to convenient type valve, include: a grease injection cylinder; the grease injection cylinder is cylindrical, and a first sealing cover and a second sealing cover are respectively arranged at two ends of the grease injection cylinder; the first sealing cover is provided with a grease injection pipe, and the second sealing cover is provided with a high-pressure pipe; a sealing clapboard which can move along the axial direction of the grease injection cylinder is arranged in the grease injection cylinder; sealing grease is arranged between the sealing partition plate of the grease injection cylinder and the first sealing cover; hydraulic oil is arranged between the sealing partition plate of the grease injection cylinder and the second sealing cover; the grease injection cylinder is also provided with a grease storage cylinder for adding grease to the grease injection cylinder, and the diameter of the grease injection cylinder is smaller than that of the grease storage cylinder; the grease storage cylinder is provided with a grease outlet pipe matched with the grease injection cylinder. The utility model discloses a fat storage section of thick bamboo is to annotating a fat section of thick bamboo currying process, does not have hydraulic means or high-pressure line occupy-place, and the operation of currying is more convenient to annotate a fat section of thick bamboo and can currying once more and circulate and annotate fat, it is more convenient to add the operation of currying many times, annotates a fat section of thick bamboo and easily fills up, the efficient of currying.

Description

Convenient type valve grease injection device

Technical Field

The utility model relates to a fat is annotated to the valve and valve maintenance technical field, especially a fat device is annotated to convenient type valve.

Background

With the development of gas production technology, the prior flat gate valve containing a wellhead high-pressure valve is widely used in each gas production well station, a valve plate and a valve seat of the valve are sealed by metal, and due to processing errors and the action of air flow erosion, slight scratches are formed on a sealing surface, so that the valve is not tightly sealed, and sealing grease is required for secondary sealing. At present, mainly annotate the fat rifle to the valve and annotate the mouth and pour into sealed fat and realize secondary seal, nevertheless because annotate a fat rifle cross-sectional area little, sealed fat viscosity is high, it is fairly inconvenient when annotating the fat rifle to pack sealed fat, the well station adopts manual currying mode, it needs 10 minutes to adorn sealed fat once on average, and sealed fat is stained with impurity easily, can not guarantee the quality of sealed fat, pile up easily and annotate a fat rifle section of thick bamboo entry, produce the air, can only adorn half a section of thick bamboo at every turn usually, operation workman's intensity of labour has been increased.

Although there is the currying device among the prior art, can be toward annotating currying in the fat rifle, annotate the fat rifle and will seal the fat injection valve again and annotate the fat mouth through high-pressure thrust, nevertheless because annotate the fat rifle and be used for connecting the less suitable currying of valve one end bore that the fat mouth was annotated, can only just be curried through the one end of installing hydraulic means, and hydraulic means occupies the place and blocks easily that the fat pipe butt joint of adding is annotated the fat rifle, leads to the currying and annotates fat operation inconvenience.

Disclosure of Invention

The utility model aims to provide a: annotating the fat device to the existence of prior art and receiving hydraulic means's the stopping and lead to the inconvenient problem of currying operation to annotating fat rifle in the fat device existence, provide a fat device is annotated to convenient type valve, the currying process does not have the hydraulic means occupy-place, makes the currying operation more convenient.

In order to realize the purpose, the utility model discloses a technical scheme be:

a convenient type valve grease injection device comprises: a grease injection cylinder; the grease injection cylinder is cylindrical, a first sealing cover is detachably connected to the first end of the grease injection cylinder, and a second sealing cover is detachably connected to the second end of the grease injection cylinder; the first sealing cover is provided with a grease injection pipe, and the second sealing cover is provided with a high-pressure pipe; a sealing partition plate capable of moving along the axial direction of the grease injection cylinder is arranged in the grease injection cylinder; sealing grease is arranged between the sealing partition plate of the grease injection cylinder and the first sealing cover; hydraulic oil is arranged between the sealing partition plate of the grease injection cylinder and the second sealing cover; the grease injection cylinder is also provided with a grease storage cylinder for adding grease to the grease injection cylinder, and the diameter of the grease injection cylinder is smaller than that of the grease storage cylinder; the grease storage cylinder is provided with a grease outlet pipe matched with the grease injection cylinder.

According to the scheme, the grease injection cylinder is arranged, the first end of the grease injection cylinder is provided with the first sealing cover which is detachably connected, the other end of the grease injection pipe is provided with the second sealing cover which is detachably connected, the first sealing cover and the second sealing cover are respectively provided with the grease injection pipe and the high-pressure pipe, the size of the grease injection pipe is matched with that of the grease injection port of the valve and used for connecting the grease injection port of the valve, and the grease injection cylinder is internally provided with the sealing partition plate which can move along the axial direction, so that the two sides of the sealing partition plate in the grease injection cylinder can be respectively filled with hydraulic oil and sealing grease, and the sealing partition plate can be pushed by hydraulic pressure injected into the high-pressure pipe to push the sealing grease at the other side of the sealing partition plate to the grease injection pipe, so that the basic function of high-pressure grease injection can be realized; due to the viscous property of the sealing grease, the grease storage barrel for adding grease to the grease injection barrel is configured on the grease injection barrel, the sealing grease is firstly filled into the grease storage barrel, and then the sealing grease is filled into the grease injection barrel, wherein the diameter of the grease injection barrel is smaller than that of the grease storage barrel; the grease storage barrel with the diameter larger than that of the grease injection barrel is easier to be filled with sealing grease, the grease storage barrel is provided with the grease outlet pipe matched with the grease injection barrel, the second sealing cover is removed in the grease adding process, the grease outlet pipe can extend into the grease injection barrel, the sealing partition plate is pushed to the end part of the grease injection barrel by pushing the sealing partition plate, the grease adding end of the grease injection barrel in the grease adding process is free from hydraulic device or hydraulic pipeline obstruction, and is free from hydraulic device or high-pressure pipeline occupation, so that the grease adding operation is more convenient and faster; and annotate the fat state rethread and connect first sealed lid and the sealed lid of second and realize annotating the fat, through will annotating a fat section of thick bamboo and set up to cylindric, first sealed lid and the sealed internal diameter of second are equal, annotate a fat section of thick bamboo internal seal fat and finish the back, through demolising first sealed lid, push away sealed baffle to the second end of annotating a fat section of thick bamboo to annotate sealed fat once more between a fat section of thick bamboo internal seal baffle and the first end, realize annotating fat once more and circulate and annotate the fat of a fat section of thick bamboo, thereby make the operation of adding fat many times more convenient.

As the preferred scheme of the utility model, the outer wall of one end of the grease injection pipe is hermetically connected with the first sealing cover; the other end of the grease injection pipe is positioned outside the first sealing cover; the grease injection pipe comprises a plurality of grease injection pipe units with different inner diameters, and the grease injection pipe units are mutually and hermetically connected through bolt pipe sleeves. This preferred scheme, the one end through inciting somebody to action annotates the fat pipe is unnecessary sealing connection in first sealed lid, the other end is located the outside of first sealed lid, can realize the dismouting through taking apart first sealed lid during installation and dismantlement and annotate the fat pipe, can realize sealing the fat section of thick bamboo of annotating when annotating the fat, can realize dismantling fast again and annotate the fat pipe and carry out the currying, and, through annotating the fat pipe and set up to annotating the fat pipe unit including a plurality of internal diameters inequality, to annotating the fat mouth in the valve of different bores, through dismantling unmatched notes fat pipe unit, and keep annotating the fat pipe unit with the matching of fat mouth with the valve, can realize being used for connecting not unidimensional valve notes fat mouth, annotate the fat mouth to the valve of a size and accomplish to annotate the fat after the fat, need not change and annotate the fat rifle and just can realize annotating the fat mouth to annotating the fat of valve of another kind of size and annotate the fat mouth's of size according to the actual valve notes fat pipe of interim adaptation, thereby the convenience that the device used has further been strengthened.

As the utility model discloses a preferred scheme, convenient type valve is annotated fat device and is still included: an oil return rod; the oil return rod is provided with a pressure rod; one end of the pressure lever is hinged with the fixed point, and the oil return lever is hinged with the pressure lever; the other end of the pressure rod rotates around the fixed point, and can drive the oil return rod to axially move in the grease injection cylinder, so that the sealing partition plate is pushed. The utility model discloses a setting has a section of thick bamboo of annotating of sealed bulkhead, sealed bulkhead separates hydraulic means's hydraulic oil and sealed fat, it can lead to one side of sealed bulkhead to annotate a fat section of thick bamboo completion notes fat to be full of hydraulic oil, this preferred scheme, through setting up oil return rod, the oil return rod is equipped with the depression bar, the one end of depression bar articulates in fixed point, and the oil return rod articulates in the depression bar, stretch into the one side that is used for filling sealed fat in annotating a fat section of thick bamboo from first end when oil return rod, then depression bar and oil return rod become link mechanism, the depression bar rotates and to drive oil return rod along annotating fat section of thick bamboo axial removal, realize driving oil return rod along annotating fat section of thick bamboo axial top push up sealed bulkhead, make sealed bulkhead promote hydraulic oil, make hydraulic oil backward flow to hydraulic means, realize the oil return, and push up sealed bulkhead with the help of oil return rod top, and push up sealed bulkhead through the oil return rod top that sets up link mechanism, not only can the oil return, and save effort is convenient again through the depression bar promptly, the convenience of the application of the device has further been strengthened.

As the utility model discloses a preferred scheme, convenient type valve is annotated fat device and is still included: a support; the upper part of the bracket is used for fixing the fat storage cylinder; the grease storage cylinder can be fixed on the bracket and is positioned below the grease storage cylinder; the fat storage cylinder is provided with a square connecting plate, and the square connecting plate is detachably fixed on the upper part of the bracket. Because a fat storage section of thick bamboo need be to annotating a fat section of thick bamboo currying, and fat storage section of thick bamboo is in the top of annotating a fat section of thick bamboo and adds fat along the axial of annotating a fat section of thick bamboo, just can make the sealed fat self action of gravity in annotating a fat section of thick bamboo and reduce the air space as far as possible, therefore this preferred scheme is through setting up the support in fat storage section of thick bamboo below, fat storage section of thick bamboo is equipped with square connecting plate, the in-process that uses the device can dismouting support, be fixed in the support with square connecting plate during the use again, and the middle part vacancy of support is used for holding places a fat section of thick bamboo, it is fixed that messenger annotates a fat section of thick bamboo is located the below of fat storage section of thick bamboo, thereby realize supporting fat storage section of thick bamboo and annotating the high level of a fat section of thick bamboo, operating personnel is located the side of support and can realize annotating a fat section of thick bamboo currying the operation, and make things convenient for dismouting support, the convenience that the device used has further improved.

As the preferred scheme of the utility model, a cross bar is arranged on the bracket; the cross bar comprises two cross bars which are arranged up and down; each cross rod is provided with a supporting groove; the position of the supporting groove corresponds to the position of the grease outlet pipe. This preferred scheme is on the basis that is provided with the support, is used for supporting through setting up the horizontal pole and annotates a fat section of thick bamboo, supports the groove and locates the position that corresponds with play fat pipe, in the use through annotating a fat section of thick bamboo and simply placing in supporting the groove, can realize annotating a fat section of thick bamboo and place in the position with play fat pipe butt joint, not only can support annotating a fat section of thick bamboo, need not adjust the butt joint position moreover, has further made things convenient for the operation of adding fat, has improved the device's convenience.

As the preferred scheme of the utility model, the supporting groove is provided with a U-shaped supporting strip which is longitudinally arranged relative to the cross rod; two sides of the U-shaped supporting bar are respectively connected with two sides of the supporting groove. This preferred scheme is equipped with the basis of supporting the groove at the horizontal pole, through the both sides that will support the both sides in groove and connect U type support bar respectively, annotate a fat section of thick bamboo and arrange in and support the groove and can carry out the currying, the back is accomplished in the currying, the upper portion or the lower part of annotating a fat section of thick bamboo can be followed and slide in U type support bar, realize keeping under the condition of supporting, can adjust the position of annotating a fat section of thick bamboo upper end or end, convenient annotate fat pipe and hydraulic means of connecting at a fat section of thick bamboo both ends of annotating, the convenience that the device used has further been improved.

As the preferred scheme, the grease storage cylinder is provided with a top plate, a piston and a screw rod; the top plate is arranged at the end part of the grease storage cylinder; one end of the screw rod penetrates through the top plate to be fixed on the piston, the screw rod is in threaded connection with the top plate, and the piston can be driven to move axially along the grease storage cylinder in the grease storage cylinder by rotation of the screw rod. According to the optimized scheme, the top plate, the piston and the lead screw are arranged on the grease storage barrel, the lead screw is connected to the top plate through a bolt, the piston can be pushed to axially move along the grease storage barrel through rotation of the lead screw, the pushing strength of the piston can be increased, and compared with the mode that the push rod and the piston are directly pushed to discharge sealing grease from the grease outlet pipe, the optimized scheme is labor-saving and convenient, and the convenience of grease adding is further improved; and, can slowly bulldoze sealed fat through rotating the lead screw, reduce sealed fat and appear because of the condition that descends fast and form the air interlayer to make and glue the sealed fat of thick characteristic air clearance less, strengthened the homogeneity of currying, make and store up the fat and easily fill, reduce the currying number of times, improve work efficiency.

As a preferable scheme of the utility model, the piston comprises a plurality of piston sheets which are stacked along the axial direction; the piston sheet close to one side of the top plate is a steel plate, and the piston sheet close to one side of the grease outlet pipe is a rubber plate; the piston plates are fastened and connected through bolts. This preferred scheme, through setting up a plurality of piston pieces that a plurality of edge axial range upon range of settings, make a plurality of piston pieces can form different thickness along the axial, because thicker piston piece is stronger to the support nature of sealed fat, be difficult to warp more, this setting can select the piston piece that matches thickness according to the cylinder diameter of storage fat section of thick bamboo and the viscosity of the sealed fat that adds, the suitability of the device has been strengthened, and, through establishing the piston piece that is close to spanner one side as the steel sheet, and the piston piece that is close to grease discharging pipe one side is the steel sheet, the piston piece that is close to grease discharging pipe one side is the rubber sheet, the rubber sheet has elastic property, the lateral part can laminate in the inner wall of storage fat section of thick bamboo more easily and carry out piston movement, certain sealing effect has, on the other hand rubber sheet can cushion the reverse thrust of sealed fat, can protect the high and low steel sheet of toughness of intensity, the steel sheet that intensity is higher than the rubber sheet can fix and support the lead screw and bulldoze, the fastness is strong, make sealed fat be difficult for leaking, and strengthen the device life.

As the preferred scheme of the utility model, the fat storage cylinder is provided with at least one pair of symmetrically arranged locking pieces; the retaining member includes: the connecting lug and the locking bolt are arranged on the side wall of the grease storage cylinder; the locking bolt is connected with the connecting lug bolt; the top plate is provided with a groove for the locking bolt to abut against along the side. Because the lead screw is in the screw precession on the roof and the power that produces and act on the roof, this preferred scheme is through setting up the retaining member, through engaging lug and the locking bolt of locating the lateral wall of storing up a fat section of thick bamboo, locking bolted connection is behind the engaging lug, the locking bolt can the butt in the recess, and then can support tightly two positions in the roof outside symmetry, can restrict the roof and move outward to can avoid rotating lead screw in-process lead screw and rock, promote the lead screw axial and promote, the stability performance that keeps storing up a fat section of thick bamboo and use, can improve work efficiency.

As the preferred scheme of the utility model, the screw rod is provided with a T-shaped handle; the T-shaped handle is fixed at the upper end of the screw rod and is made of a hollow pipe. This preferred scheme is through establishing T type handle on with the lead screw, the upper end of T type handle can be used for holding rotatory lead screw, the lower extreme of T type handle is used for being fixed in the silk and with the pole, T type handle is rotatory cooperation with rotatory lead screw, make rotatory lead screw more laborsaving and convenient operation, make through by the hollow tube with T type handle, the material has still been saved under the condition that does not influence to hold, alleviate the weight of lead screw, easily dismouting and carrying, economic benefits has been promoted, the convenience that the device used has still further been strengthened.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the first sealing cover, the first sealing cover and the grease injection cylinder can be conveniently disassembled and assembled by arranging the grease injection cylinder and the grease storage cylinder through the first sealing cover, the second sealing cover and the sealing partition plate, sealing grease is firstly filled into the grease storage cylinder by arranging the grease storage cylinder for adding grease into the grease injection cylinder, and the diameter of the grease injection cylinder is smaller than that of the grease storage cylinder; the grease storage barrel with a larger barrel diameter is easier to be filled with sealing grease, the grease outlet pipe matched with the grease injection barrel is arranged on the grease storage barrel, and sealing grease can be filled between the sealing partition plate and the first end of the grease injection barrel by removing the first sealing cover through extending into the grease injection barrel in the grease injection process, so that the grease injection end of the grease injection barrel in the grease injection process is free from the blockage of a hydraulic device or a hydraulic pipeline and is free from the occupation of the hydraulic device or a high-pressure pipeline, and the grease injection operation is more convenient;

2. through connecting first sealed lid and the sealed lid of second in annotating a fat section of thick bamboo, can realize annotating the fat, set up to cylindric through annotating a fat section of thick bamboo, annotate a fat section of thick bamboo internal seal fat back that finishes using, through demolising first sealed lid, use to add the fat pipe and fill sealed fat between the sealed baffle of annotating the fat pipe and first end, realize annotating a fat section of thick bamboo again and add the fat and circulate and annotate the fat to it is more convenient to make many times to add the fat operation.

Drawings

FIG. 1 is a schematic structural view of the grease injecting cartridge of the present invention;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a schematic structural view of the greasing state of the present invention;

FIG. 4 is a schematic view of the structure of the present invention with the oil return rod;

FIG. 5 is a schematic view of the structure of the grease storage barrel of the present invention;

icon: 1-a grease injection cylinder; 11-a first sealing cover; 12-a second sealing cover; 13-grease injection pipe; 14-high pressure pipes; 15-sealing the partition plate; 2-a grease storage cylinder; 21-a fat outlet pipe; 22-a top plate; 221-grooves; 23-a piston; 24-a screw mandrel; 241-a handle; 25-a locking member; 251-a connecting lug; 252-a locking bolt; 3-oil return rod; 31-a pressure bar; 4-a scaffold; 41-square connecting plate; 42-a cross-bar; 421-support groove; 422-U-shaped supporting bars; 100-sealing grease; 200-hydraulic oil.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The convenient and fast valve grease injection device provided by the embodiment is shown in fig. 1 to 3, and comprises: a grease injection cylinder 1; the grease injection cylinder 1 is cylindrical, a first sealing cover 11 is detachably connected to the first end of the grease injection cylinder 1, and a second sealing cover 12 is detachably connected to the second end of the grease injection cylinder 1; a grease injection pipe 13 is arranged on the first sealing cover 11, and a high-pressure pipe 14 is arranged on the second sealing cover 12; a sealing partition plate 15 capable of moving along the axial direction of the grease injection cylinder 1 is arranged in the grease injection cylinder; a sealing grease 100 is arranged between the sealing partition plate 15 of the grease injection cylinder 1 and the first sealing cover 11; the hydraulic oil 200 is arranged between the sealing partition plate 15 of the grease injection cylinder 1 and the second sealing cover 12; the grease injection cylinder 1 is also provided with a grease storage cylinder 2 for adding grease to the grease injection cylinder 1, and the diameter of the grease injection cylinder 1 is smaller than that of the grease storage cylinder 2; the grease storage cylinder 2 is provided with a grease outlet pipe 21 matched with the grease injection cylinder 1.

It should be noted that, store up fat section of thick bamboo 2 and annotate fat section of thick bamboo 1, store up fat section of thick bamboo 2 and can make into the bigger container of volume than notes fat section of thick bamboo 1, thereby can make the container that stores up fat section of thick bamboo 2 internal diameter and be greater than notes fat section of thick bamboo 1 internal diameter, it is preferred here, the internal diameter preparation that stores up fat section of thick bamboo 2 is 6 to 8 times of annotating fat section of thick bamboo 1 internal diameter, the volume of a storage fat section of thick bamboo 2 is equivalent with a barrel 100 off-the-shelf volumes of sealed fat, for example great wall 7903 sealed fat, annotate fat section of thick bamboo 1 because need connect the valve annotate the fat mouth and annotate the fat, and valve notes fat mouth aperture is less, make the pipeline that is used for annotating fat that the fat mouth is connected also thinner, thereby annotate fat section of thick bamboo 1 in order to increase the pressure along the pipeline direction, need reduce the bobbin diameter, realize high pressure and annotate fat, therefore, to annotate fat section of thick bamboo 1, therefore, avoid sealed fat section of thick bamboo 100 adhesion container inner wall or form the air bed to annotate fat section of thick bamboo 1 to the container of thick bamboo, thereby it is bigger than the convenient that needs the big bore of fat section of annotating of thick bamboo 1 of fat to set up the volume, also can make things convenient.

The term "the outlet pipe 21 is used to extend into the grease injecting tube 1 to fill the sealing grease 100" is understood to mean that the inner diameter of the outlet pipe 21 is smaller than or equal to the inner diameter of the grease injecting tube 1, and here, the inner diameter of the outlet pipe 21 is preferably set to be equal to the inner diameter of the grease injecting tube 1 so that the outlet pipe 21 is not too thin to discharge grease and can extend into the grease injecting tube 1.

It should be noted that, as shown in fig. 2, the sealing diaphragm 15 refers to a plate which is arranged in the grease filling cylinder 1 and can move along the axial direction of the grease filling cylinder 1 towards the piston 23, and the sealing diaphragm 15 may be provided as a plate with rubber sheet adhesion and is impermeable to both the hydraulic oil 200 and the sealing grease 100, so as to isolate the hydraulic oil 200 and the sealing grease 100.

The working principle is as follows: as shown in fig. 3, the first sealing cover 11 and the second sealing cover 12 at both ends of the grease injecting cylinder 1 are removed; the method comprises the following steps of filling sealing grease 100 into a grease storage cylinder 2, connecting a piston 23 with a screw rod 24, fastening a top plate 22 to the upper end of the grease storage cylinder 2, placing a grease injection cylinder 1 below the grease storage cylinder 2, extending a grease outlet pipe 21 into the grease storage cylinder 2, screwing the screw rod 24 into one end of the grease outlet pipe 21, enabling the piston 23 to move downwards to push the sealing grease 100 to the grease injection cylinder 1, and finishing grease adding; connecting a first sealing cover 11 and a second sealing cover 12 to two ends of a grease injection cylinder 1, respectively connecting a high-pressure pipe 14 and a grease injection pipe 13 to a hydraulic device and a valve grease injection port, and pushing a sealing partition plate 15 by hydraulic oil 200 to inject sealing grease 100 into the valve grease injection port to finish grease injection; the first sealing cover 11 is removed, and as shown in the state of fig. 4, the sealing partition plate 15 is pushed back to one end of the second sealing cover 12 of the grease injection cylinder 1, so that the hydraulic oil 200 is returned to the hydraulic device, the grease injection cylinder 1 is filled with the sealing grease 100 again, and the circular grease filling and the circular grease injection are realized.

The utility model discloses, as shown in fig. 4 preferably, the convenient valve grease injection device, the oil return rod 3; the oil return rod 3 is provided with a pressure rod 31; one end of the pressure lever 31 is hinged to a fixed point, and the oil return lever 3 is hinged to the pressure lever 31; the other end of the pressure rod 31 rotates around the fixed point, and can drive the oil return rod 3 to axially move in the grease injection cylinder 1, so as to push the sealing partition plate 15. The oil return rod 3 extends into the grease injection barrel 1 to abut against the sealing partition plate 15, can push the sealing partition plate 15 to move along the axial direction of the grease injection barrel 1, is hinged to the grease storage barrel 2 through the arrangement of the pressure rod 31, namely the pressure rod 31 can rotate around the relatively fixed position of the grease storage barrel 2 and is hinged to the oil return rod 3 through the middle part, so that the pressure rod 31 is supported on the grease storage barrel 2 and forms a connecting rod mechanism with the oil return rod 3; when the grease is injected, the first sealing cover 11 of the grease injection cylinder 1 is removed, the grease injection cylinder 1 is placed at a position corresponding to the oil return rod 3, the oil return rod 3 is extended into the grease injection cylinder 1 and abutted against the sealing partition plate 15, the oil return rod 3 can be extended or extended along the axial direction of the grease injection cylinder 1 by rotating the pressure rod 31, so that the sealing partition plate 15 is pushed to move, if the sealing partition plate 15 is pushed to one end of the grease injection cylinder 1 with hydraulic oil 200, the hydraulic oil 200 can be pushed back to a hydraulic device, and the oil return function is realized.

As shown in fig. 1 and 2, the first sealing cover 11 and the grease injection pipe 13 are arranged at one end of the grease injection cylinder 1; the first sealing cover 11 is detachably connected with the grease injection barrel 1; one end of the grease injection pipe 13 is fixed on the first sealing cover 11, and the other end is used for connecting the grease injection cylinder 1; preferably, as shown in fig. 2, the outer wall of one end of the grease injecting pipe 13 is hermetically connected with the first sealing cover 11; the other end of the grease injection pipe 13 is positioned outside the first sealing cover 11; the grease injection pipe 13 comprises a plurality of grease injection pipe units with different inner diameters, and the grease injection pipe units are mutually connected in a sealing manner through bolt pipe sleeves. First sealed lid 11 is located the below of annotating a fat section of thick bamboo 1, and first sealed lid 11 is connected in the outer wall of annotating a fat section of thick bamboo 1 through screw-thread fit, through set up the sealing washer on the inner wall of sealed lid 11, perhaps adds the sealing washer at the butt joint cross-section of first sealed lid 11 and an annotate a fat section of thick bamboo 1, realizes that first sealed lid 11 can be connected with annotating a fat section of thick bamboo 1 sealing. The notes fat pipe unit that the internal diameter is unequal can be through bolt tube box connection, annotate fat pipe unit preferred setting to the play fat pipe 21 sections that the internal diameter is unequal, set up the external screw thread at the outer wall of annotating fat pipe unit, set up and annotate fat pipe unit thread fit's internal thread at bolt tube box inner wall, realize that bolt tube box threaded connection annotates fat pipe 13, it includes anterior segment and back end to be equipped with the bolt tube box, bolt tube box anterior segment internal diameter matches with the notes fat pipe unit of a great internal diameter, the back end matches with the notes fat pipe unit that another internal diameter is little, can set up rubber packing pad at bolt tube box internal surface, thereby realize that the bolt tube box is with the notes fat pipe unit sealing connection of different internal diameters.

It should be noted that, in the present invention, as shown in fig. 3, the second sealing cover 12 and the high-pressure pipe 14 are arranged at one end of the grease injecting cylinder 1 for connecting to the hydraulic device; the second sealing cover 12 is connected with the grease injection cylinder 1 in a sealing way; both ends of the high pressure pipe 14 are connected to the second sealing cap 12 and the hydraulic device, respectively. It should be noted that the high-pressure pipe 14 is a commonly used high-pressure pipe 14 capable of bearing oil pressure, and a pressure-bearing range is about 45MPa, and here, in order to facilitate the installation and connection of the second sealing cover 12 to the grease injection barrel 1, a high-pressure hard pipe, such as a hydraulic hard pipe of BTB001, is preferably used, and the second sealing cover 12 may be arranged to seal similarly to the arrangement of the first sealing cover 11.

In the preferred embodiment of the present invention, as shown in fig. 3 or 4, a support 4; the upper part of the bracket 4 is used for fixing the fat storage cylinder 2; the grease storage cylinder 2 can be fixed on the bracket 4 and is positioned below the grease storage cylinder 2; the fat storage cylinder 2 is provided with a square connecting plate 41, and the square connecting plate 41 is detachably fixed on the upper part of the bracket 4. Square connecting plate 41 accessible welding is at the lower extreme of fat storage section of thick bamboo 2, through being fixed in square connecting plate 41 the support frame, square connecting plate 41 forms the face that stores up a fat section of thick bamboo 2 and supports, again can conveniently be connected with support 4, as shown in fig. 2, can realize fixing through commonly used bolt, support that can be more stable stores up a fat section of thick bamboo 2, especially store up a fat section of thick bamboo 2 because the rotation of lead screw 24 can the load, therefore square connecting plate 41 has the effect that can more stable support, preferred use is small in size, big trapezoidal support 4 down, square connecting plate 41 cooperation support 4 can prevent to store up a fat section of thick bamboo 2 and topple over, and the stability is increased.

Preferably, as shown in fig. 3 or 4, the support 4 is provided, and the grease outlet pipe 21 is arranged at the lower end of the grease storage cylinder 2; the support 4 is provided with a cross bar 42; the cross bar 42 includes two arranged up and down; each cross bar 42 is provided with a supporting groove 421; the position of the supporting groove 421 corresponds to the position of the grease outlet pipe 21. As shown in fig. 2 and 4, the cross bar 42 is transversely fixed to the support 4, the support groove 421 is arranged in the middle of the support 4 and is located right below the grease outlet pipe 21, the height of the support 4 is set to be capable of vertically accommodating the support 4 of the grease injecting cylinder 1, the distance between the two cross bars 42 is equal to the length of the grease injecting cylinder 1 or smaller than the length of the grease injecting cylinder 1, so that the upper part and the lower part of the grease injecting cylinder 1 can be clamped in the support groove 421, and the support of the grease injecting cylinder 1 is realized.

By arranging the support 4, the grease injection cylinder 1 can be arranged on the support 4 and positioned below the grease storage cylinder 2 for grease filling, preferably, as shown in fig. 3 or 4, the grease outlet pipe 21 is arranged at the lower end of the grease storage cylinder 2, and the grease outlet pipe 21 and the grease storage cylinder 2 are coaxially arranged; the outer diameter of the grease outlet pipe 21 is equal to the inner diameter of the grease injection cylinder 1, and the length of the grease outlet pipe 21 is larger than that of the grease injection cylinder 1. The grease discharging pipe 21 is arranged at the lower end of the grease storage cylinder 2 and is coaxially arranged with the grease storage cylinder 2, so that the axial direction of the grease storage cylinder 1 can be vertically placed when the grease storage cylinder 1 is placed, the grease discharging pipe 21 extends into the grease storage cylinder 1, the gravity of the discharged sealing grease 100 is superposed with the acting direction of the received pushing pressure and is along the axial direction of the grease storage cylinder 1, the sealing grease 100 is more easily compacted in the grease storage cylinder 1, the grease filling effect is enhanced, the outer diameter of the grease discharging pipe 21 is equal to the inner diameter of the grease storage cylinder 1, go out the length of fat pipe 21 and be greater than the length of annotating a fat section of thick bamboo 1 for go out fat pipe 21 and can stretch into the end to the other end from the one end of storing up fat pipe 2, in the process of adding fat, annotate a fat section of thick bamboo 1 and cooperate out fat pipe 21 and stretch into the length of annotating a fat section of thick bamboo 1 through vertical removal, can make out fat pipe 21 and can remove to the one end of annotating the interior vacancy of a fat section of thick bamboo 1, it continuously fills to filling the position that fills to keep out fat pipe 21, it is more even to make sealed fat 100 fill, further the reinforcing fills up the effect with fat.

Preferably, as shown in fig. 3 and 4, fig. 2 shows a state of grease filling of the grease injecting cylinder 1, fig. 5 shows a state of oil return of the grease injecting cylinder 1, and the supporting groove 421 is provided with a U-shaped supporting strip 422 arranged longitudinally relative to the cross bar 42; two sides of the U-shaped support strip 422 are respectively connected to two sides of the support groove 421, so that the support groove 421 and the U-shaped support strip 422 form a support member with one end open and the other end closed, so that the grease injection cylinder 1 can slide into the U-shaped support strip 422 from the opening radially or longitudinally, and the U-shaped support strip 422 can axially support the grease injection cylinder 1.

Preferably, as shown in fig. 5, the grease storage cylinder 2 is provided with a top plate 22, a piston 23 and a screw rod 24; the top plate 22 is arranged at the end part of the grease storage cylinder 2; one end of the screw rod 24 penetrates through the top plate 22 and is fixed on the piston 23, the screw rod 24 is in threaded connection with the top plate 22, and the piston 23 can be driven by the rotation of the screw rod 24 to move axially along the grease storage cylinder 2 in the grease storage cylinder 2.

The top plate 22 can abut against the end of the grease storage cylinder 2, and it is understood that the top plate 22 can abut against one end of the grease storage cylinder 2 opposite to the grease discharging pipe 21, specifically, the upper end as shown in fig. 3, and the grease discharging pipe 21 is provided at the lower end of the grease storage cylinder 2, so that the top plate 22 can be pressed in cooperation with the piston 23.

In the preferred embodiment of the present invention, as shown in fig. 3 and 5, the fat storage cylinder 2 is provided with at least one pair of symmetrically arranged locking members 25; the locker 25 includes: a connecting lug 251 and a locking bolt 252 which are arranged on the side wall of the grease storage barrel 2; the locking bolt 252 is connected with the connecting lug 251 through a bolt; the recess 221 that supplies locking bolt 252 along side butt is seted up to roof 22, can support tightly at the side of roof 22 through the screw rod of locking bolt 252 through setting up retaining member 25 in the side of roof 22 in the side reason of roof 22, realizes spacing to the lateral part of roof 22 to the nut through screwing up locking bolt 252 can make roof 22 support the tip of tight fat storage section of thick bamboo 2, thereby realizes vertical roof 22 that compresses tightly.

Preferably, the piston 23 includes a plurality of piston plates stacked axially; the piston sheet close to the top plate 22 is a steel plate, and the piston sheet close to the grease outlet pipe 21 is a rubber plate; the piston plates are fastened and connected through bolts.

Preferably, as shown in fig. 3, the screw rod 24 is provided with a T-shaped handle 241; the T-shaped handle 241 is fixed to the upper end of the screw rod 24, and the T-shaped handle 241 is made of a hollow tube. The lower end of the T-shaped handle 241 can be fixed to the end of the lead screw 24 by welding to the lead screw 24, and the lead screw 24 can be rotated by the T-shaped handle 241 when in use.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A convenient type valve grease injection device, characterized by comprising: a grease injection cylinder (1); the grease injection cylinder (1) is cylindrical, a first sealing cover (11) is detachably connected to the first end of the grease injection cylinder (1), and a second sealing cover (12) is detachably connected to the second end of the grease injection cylinder; a grease injection pipe (13) is arranged on the first sealing cover (11), and a high-pressure pipe (14) is arranged on the second sealing cover (12); a sealing partition plate (15) capable of moving along the axial direction of the grease injection cylinder (1) is arranged in the grease injection cylinder; a sealing grease (100) is arranged between the sealing partition plate (15) of the grease injection cylinder (1) and the first sealing cover (11); hydraulic oil (200) is arranged between the sealing partition plate (15) of the grease injection cylinder (1) and the second sealing cover (12); the grease injection cylinder (1) is also provided with a grease storage cylinder (2) for adding grease to the grease injection cylinder, and the diameter of the grease injection cylinder (1) is smaller than that of the grease storage cylinder (2); the grease storage cylinder (2) is provided with a grease outlet pipe (21) matched with the grease injection cylinder (1).

2. The convenient valve grease injection device according to claim 1, wherein one end of the grease injection pipe (13) is connected with the first sealing cover (11) in a sealing way; the other end of the grease injection pipe (13) is positioned outside the first sealing cover (11); the grease injection pipe (13) comprises a plurality of grease injection pipe units with different inner diameters, and the grease injection pipe units are mutually connected in a sealing manner through bolt pipe sleeves.

3. The portable valve grease injection device according to claim 1, further comprising: an oil return rod (3); the oil return rod (3) is provided with a pressure rod (31); one end of the pressure lever (31) is hinged to the fixed point, and the oil return lever (3) is hinged to the pressure lever (31); the other end of the pressure rod (31) rotates around a fixed point, and can drive the oil return rod (3) to axially move in the grease injection cylinder (1) so as to push the sealing partition plate (15).

4. The portable valve grease injection device according to claim 1, further comprising: a support (4); the upper part of the bracket (4) is used for fixing the fat storage cylinder (2); the fat storage cylinder (2) can be fixed on the bracket (4) and is positioned below the fat storage cylinder (2); the fat storage cylinder (2) is provided with a square connecting plate (41), and the square connecting plate (41) is detachably fixed on the upper part of the bracket (4).

5. The convenient valve grease injection device according to claim 4, wherein the grease outlet pipe (21) is arranged at the lower end of the grease storage cylinder (2); the bracket (4) is provided with a cross bar (42); the cross bar (42) comprises two arranged up and down; each cross bar (42) is provided with a supporting groove (421); the position of the supporting groove (421) corresponds to the position of the grease outlet pipe (21).

6. Convenient valve grease injection device according to claim 4, characterized in that the support groove (421) is provided with a U-shaped support strip (422) arranged longitudinally with respect to the cross bar (42); two sides of the U-shaped supporting strip (422) are respectively connected with two sides of the supporting groove (421).

7. The convenient and fast valve grease injection device according to any one of claims 1-6, wherein the grease storage cylinder (2) is provided with a top plate (22), a piston (23) and a screw rod (24); the top plate (22) is arranged at the end part of the fat storage cylinder (2); one end of the screw rod (24) penetrates through the top plate (22) to be fixed on the piston (23), the screw rod (24) is in threaded connection with the top plate (22), and the piston (23) can be driven to move axially along the grease storage cylinder (2) in the grease storage cylinder (2) by rotation of the screw rod (24).

8. The portable valve grease injection device according to claim 7, wherein the piston (23) comprises a plurality of piston plates arranged in an axial direction in a stacked manner; the piston sheet close to one side of the top plate (22) is a steel plate, and the piston sheet close to one side of the grease outlet pipe (21) is a rubber plate; the piston plates are fastened and connected through bolts.

9. The portable valve grease injection device according to claim 7, wherein the grease storage barrel (2) is provided with at least one pair of symmetrically arranged locking members (25); the retaining member (25) comprises: a connecting lug (251) and a locking bolt (252) which are arranged on the side wall of the grease storage cylinder (2); the locking bolt (252) is in bolt connection with the connecting lug (251); the top plate (22) is provided with a groove (221) for the locking bolt (252) to abut along the side.

10. The portable valve grease injection device according to claim 7, wherein the screw (24) is provided with a T-shaped handle (241); the T-shaped handle (241) is fixed on the screw rod (24), and the T-shaped handle (241) is a hollow tube.